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Who we are:

Shape a brighter financial future with us.

Together with our members, we’re changing the way people think about and interact with personal finance.

We’re a next-generation financial services company and national bank using innovative, mobile-first technology to help our millions of members reach their goals. The industry is going through an unprecedented transformation, and we’re at the forefront. We’re proud to come to work every day knowing that what we do has a direct impact on people’s lives, with our core values guiding us every step of the way. Join us to invest in yourself, your career, and the financial world.

The Role

As a Senior Staff Mobile Engineer at So Fi, you will help define and elevate the technical foundation of our mobile experience with a strong focus on t echnical leadership and frontend architecture. Your work will span multiple teams and systems, and you will lead high impact initiatives that advance our Banking products while shaping how mobile clients consume data through a unified GraphQL BFF. You will drive complex architecture decisions, shape long term platform strategy, and deliver technical solutions that strengthen the reliability and performance of our Banking experience. You will model strong technical judgment and steady execution, and you will help develop future leaders by mentoring senior and staff engineers and raising the standard for how we build, review, and deliver software. You will contribute across the full lifecycle of our mobile products from concept to launch to ongoing evolution, working with an exceptional team of engineers.

What you’ll do:

• Deliver high quality code on schedule and communicate effectively with groups in and outside the development team

• Design and optimize high throughput GraphQL and REST integrations that support critical Banking experiences.

• Produce well-designed, scalable and reusable mobile architectures across large areas of the app.

• Contributes towards technical direction for mobile platform evolution and long term system improvements.

• Identify structural issues in our mobile systems and propose clear paths for remediation.

• Serve as the lead resolver during high severity incidents and ensure follow up actions address root causes.

• Act as a subject matter expert for key mobile domains and support teams through complex decision making.

• Champion engineering excellence, operational maturity, and technical consistency across the group.

• Mentor and coach engineers at all levels and help strengthen the judgment and capabilities of the broader mobile organization.

• Play a key role in roadmap development, long range planning, and resource discussions for the mobile group.

• Contribute hands on to critical projects while modeling best practices in code quality, performance, and reliability.

What you’ll need:

• Bachelor’s degree, ideally in a technical field, but we understand great engineers come from a variety of different backgrounds and also consider relevant work experience

• 8+ years mobile programming experience in Android or iOS. Flutter experience is strongly preferred.

• Git-based distributed version control systems.

• Agile-based project development in a microservices environment.

• Test-driven development along with unit and integration testing.

• Experience with working with modern mobile design patterns.

• Strong debugging skills.

• Passion for solving complex problems.

• Work and play well with others; So Fi is a collaborative environment.

Nice to have:

• Experience working with Flutter and other cross-platform technologies.

• Previous experience building platform-level frameworks and components in a large codebase.

• Reactive programming knowledge (RX, Coroutines, Streams).

• Deep experience working with GraphQL & REST APIs, modern mobile design patterns, and distributed systems.

• Understanding of S.O.L.I.D or G.R.A.S.P principles.

• Understanding of Clean Architecture patterns.

• Expertise in mobile performance tuning.

Why you’ll love working here

• Competitive salary packages and bonuses

• Comprehensive medical, dental, vision and life insurance benefits

• Generous vacation and holidays

• Paid parental leave for eligible employees

• 401(k) and education on retirement planning

• Tuition reimbursement on approved programs

• Monthly contribution up to $200 to help you pay off your student loans

• Great health & well-being benefits including: telehealth parental support, subsidized gym program

• Fully stocked kitchen (snacks and drinks)

Compensation and Benefits

The base pay range for this role is listed below. Final base pay offer will be determined based on individual factors such as the candidate’s experience, skills, and location.

To view all of our comprehensive and competitive benefits, visit our Benefits at So Fi page!
So Fi provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion (including religious dress and grooming practices), sex (including pregnancy, childbirth and related medical conditions, breastfeeding, and conditions related to breastfeeding), gender, gender identity, gender expression, national origin, ancestry, age (40 or over), physical or medical disability, medical condition, marital status, registered domestic partner status, sexual orientation, genetic information, military and/or veteran status, or any other basis prohibited by applicable state or federal law.
The Company hires the best qualified candidate for the job, without regard to protected characteristics.
Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.
New York applicants: Notice of Employee Rights
So Fi is committed to an inclusive culture. As part of this commitment, So Fi offers reasonable accommodations to candidates with physical or mental disabilities. If you need accommodations to participate in the job application or interview process, please let your recruiter know or email accommodations@sofi.com.
Due to insurance coverage issues, we are unable to accommodate remote work from Hawaii or Alaska at this time.

Internal Employees

If you are a current employee, do not apply here - please navigate to our Internal Job Board in Greenhouse to apply to our open roles.